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Topic: ungrounded conductors

User: noeernlat, Location: Washington State

Asked on: Monday, March 14, 2011 at 11:59 pm EDT
Answered on: Tuesday, May 14, 2024 at 2:49 am EDT

Question: I am having a hard time finding the answer to whether you can run three 6 awg thhn black conductors and re identify them with an approved method or if I would need to run three that are factory colored red, black, and blue. Can anyone please help and provide a code reference? Thanks.

You can run three 6 AWG THHN black conductors and re-identify them with an approved method.Code Reference

[2020 NEC 200.7(C)](https://codes.iccsafe.org/content/NEC2020/chapter-2-wiring-and-protection#NEC2020_Div2_Ch2_Sec200_Par7C4)

Approved Re-Identification Methods



Marking Tape

Wrap approved marking tape (e.g., 3M™ Scotch® 35) around the conductor permanently and legibly.

Sleeving

Cover the conductor with approved colored sleeving that is long enough to extend at least 6 inches from each end of the termination.


Paint

Apply permanent paint to the conductor surface, extending at least 6 inches from each end of the termination.

Shrink Tubing

Use approved colored shrink tubing that covers the entire conductor and extends at least 6 inches from each end of the termination.

Note:
The re-identified conductors must be permanently identified and easily recognizable. The re-identification method must be approved for the environment and the application. If using paint, ensure it is compatible with the conductor material and does not degrade its properties. Flag for review

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